1947-1948 — Page 26

Public Works Department Annual Report 工務司署年報 All AI Reviewed
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Triangulation Stations

visited

28

40

- 12

Triangulation Stations

rebuilt

or repaired

21

2

+19

[ 28 ]

1947/48

1939

Excess (+) or Deficiency

(-) over 1939

Remarks.

71 were visited in 1946.

Necessary 1947/48 Reconstruction,

Triangulation Stations

triangulated

24

2

+22

do

Triangulation of

Fundamental Bench

Mark positions

6

0

+ 6

do

Principal Traverse in

miles

26

13

+ 13

do

New

Survey of the

Colony Scale 1:600

in acres

101

638

-537

New

Survey of the

Colony Scale 1:2400

in acres

883

443

+440

Revision of the Colony

Scale 1:600 in acres

23

318

- 295

Revision of the Colony

1939

If all survey and contour survey is taken together then the 1947/48 output exceeds the

output by

Scale 1:2400 in acres

31

328

- 297

30 acres.

Contour Surveys scale

1:600 in acres

129

264

- 135

Contour Surveys scale

1:2400 in acres

854

0

+ 854

Bench Marks inspected

220

350

- 130

These 130 do not exist 1946/48

Levelled

heights to

Bench Marks

and

Trigs.

11

2

+ 9

New Bench Marks

fixed

6

0

+6

Height in feet of Mean

Sea Level above

Record

Datum for the year

3.90

lost

Lots & Acres set out on

sale or permit for building etc.

137

414

-277

All areas request- ed have been set out.

There are no

arrears in 1948.

Page 26

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Triangulation Stations visited 28 40 - 12 Triangulation Stations rebuilt or repaired 21 2 +19 [ 28 ] 1947/48 1939 Excess (+) or Deficiency (-) over 1939 Remarks. 71 were visited in 1946. Necessary 1947/48 Reconstruction, Triangulation Stations triangulated 24 2 +22 do Triangulation of Fundamental Bench Mark positions 6 0 + 6 do Principal Traverse in miles 26 13 + 13 do New Survey of the Colony Scale 1:600 in acres 101 638 -537 New Survey of the Colony Scale 1:2400 in acres 883 443 +440 Revision of the Colony Scale 1:600 in acres 23 318 - 295 Revision of the Colony 1939 If all survey and contour survey is taken together then the 1947/48 output exceeds the output by Scale 1:2400 in acres 31 328 - 297 30 acres. Contour Surveys scale 1:600 in acres 129 264 - 135 Contour Surveys scale 1:2400 in acres 854 0 + 854 Bench Marks inspected 220 350 - 130 These 130 do not exist 1946/48 Levelled heights to Bench Marks and Trigs. 11 2 + 9 New Bench Marks fixed 6 0 +6 Height in feet of Mean Sea Level above Record Datum for the year 3.90 lost Lots & Acres set out on sale or permit for building etc. 137 414 -277 All areas request- ed have been set out. There are no arrears in 1948. Page 26
Baseline (Original)
Triangulation Stations visited 28 40 - 12 Triangulation Stations rebuilt or repaired 21 2 +19 [ 28 ] 1947/48 1939 Excess (+) or Deficiency (-) over 1939 Remarks. 71 were visited in 1946. Necessary 1947/48 Reconstruction, Triangulation Stations triangulated 24 2 +22 do Triangulation of Fundamental Bench Mark positions 6 0 + 6 do Principal Traverse in miles 26 13 + 13 do New Survey of the Colony Scale 1:600 in acres 101 638 537 New Survey of the Colony Scale 1:2400 in acres 883 443 +440 Revision of the Colony Scale 1:600 in acres 23 318 - 295 Revision of the Colony 1939 If all survey and contour survey is taken together then the 1947/48 output exceeds the output by Scale 1:2400 in acrès 31 328 - 297 30 acres. Contour Surveys scale 1:600 in acres 129 264 - 135 Contour Surveys scale 1:2400 in acres 854 0 + 854 Bench Marks inspected 220 350 - 130 These 130 do not exist 1946/48 Levelled heights to Bench Marks and Trigs. 11 2 + 9 New Bench Marks fixed 6 0 +6 Height in feet of Mean Sea Level above Record Datum for the year 3.90 lost Lots & Acres set out on sale or permit for building etc. 137 414 -277 All areas request- ed have been set out. There are no arrears in 1948. Page 26czas
2026-05-11 17:47:48 · Baseline
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Triangulation Stations

visited

28

40

- 12

Triangulation Stations

rebuilt

or repaired

21

2

+19

[ 28 ]

1947/48

1939

Excess (+) or Deficiency

(-) over 1939

Remarks.

71 were visited in 1946.

Necessary 1947/48 Reconstruction,

Triangulation Stations

triangulated

24

2

+22

do

Triangulation of

Fundamental Bench

Mark positions

6

0

+ 6

do

Principal Traverse in

miles

26

13

+ 13

do

New

Survey of the

Colony Scale 1:600

in acres

101

638

537

New

Survey of the

Colony Scale 1:2400

in acres

883

443

+440

Revision of the Colony

Scale 1:600 in acres

23

318

- 295

Revision of the Colony

1939

If all survey and contour survey is taken together then the 1947/48 output exceeds the

output by

Scale 1:2400 in acrès

31

328

- 297

30 acres.

Contour Surveys scale

1:600 in acres

129

264

- 135

Contour Surveys scale

1:2400 in acres

854

0

+ 854

Bench Marks inspected

220

350

- 130

These 130 do not exist 1946/48

Levelled

heights to

Bench Marks

and

Trigs.

11

2

+ 9

New Bench Marks

fixed

6

0

+6

Height in feet of Mean

Sea Level above

Record

Datum for the year

3.90

lost

Lots & Acres set out on

sale or permit for building etc.

137

414

-277

All areas request- ed have been set out.

There are no

arrears in 1948.

Page 26czas

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